(19)

(11)

EP 3 507 625 A1

(12)

(43) Date of publication: 10.07.2019 Bulletin 2019/28 (21) Application number: 17764745.0 (22) Date of filing: 30.08.2017

(51) International Patent Classification (IPC):  G01V 1/38(2006.01) B63B 27/16(2006.01) B63B 27/36(2006.01) B63G 8/00(2006.01) (86) International application number: PCT/US2017/049355 (87) International publication number: WO 2018/045019 (08.03.2018 Gazette 2018/10)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 01.09.2016 US 201662382567 P (71) Applicants: Seabed Geosolutions B.V. 2264 SG Leidschendam (NL) Hartland, Martin John Katy, Texas 77493 (US)	(72) Inventor: HARTLAND, Martin John Katy, Texas 77493 (US) (74) Representative: Hervouet-Malbec, Sylvie  Ipsilon Le Centralis 63, avenue du Général Leclerc 92340 Bourg-la-Reine 92340 Bourg-la-Reine (FR)